diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/iwch.h')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.h | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h index 6517ef85026..837862287a2 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.h +++ b/drivers/infiniband/hw/cxgb3/iwch.h @@ -1,6 +1,5 @@ /* * Copyright (c) 2006 Chelsio, Inc. All rights reserved. - * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -37,6 +36,7 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/idr.h> +#include <linux/workqueue.h> #include <rdma/ib_verbs.h> @@ -49,8 +49,6 @@ struct iwch_qp; struct iwch_mr; struct iwch_rnic_attributes { - u32 vendor_id; - u32 vendor_part_id; u32 max_qps; u32 max_wrs; /* Max for any SQ/RQ */ u32 max_sge_per_wr; @@ -67,6 +65,7 @@ struct iwch_rnic_attributes { * size (4k)^i. Phys block list mode unsupported. */ u32 mem_pgsizes_bitmask; + u64 max_mr_size; u8 can_resize_wq; /* @@ -112,6 +111,7 @@ struct iwch_dev { struct idr mmidr; spinlock_t lock; struct list_head entry; + struct delayed_work db_drop_task; }; static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev) @@ -119,6 +119,11 @@ static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev) return container_of(ibdev, struct iwch_dev, ibdev); } +static inline struct iwch_dev *rdev_to_iwch_dev(struct cxio_rdev *rdev) +{ + return container_of(rdev, struct iwch_dev, rdev); +} + static inline int t3b_device(const struct iwch_dev *rhp) { return rhp->rdev.t3cdev_p->type == T3B; @@ -148,19 +153,17 @@ static inline int insert_handle(struct iwch_dev *rhp, struct idr *idr, void *handle, u32 id) { int ret; - u32 newid; - - do { - if (!idr_pre_get(idr, GFP_KERNEL)) { - return -ENOMEM; - } - spin_lock_irq(&rhp->lock); - ret = idr_get_new_above(idr, handle, id, &newid); - BUG_ON(newid != id); - spin_unlock_irq(&rhp->lock); - } while (ret == -EAGAIN); - - return ret; + + idr_preload(GFP_KERNEL); + spin_lock_irq(&rhp->lock); + + ret = idr_alloc(idr, handle, id, id + 1, GFP_NOWAIT); + + spin_unlock_irq(&rhp->lock); + idr_preload_end(); + + BUG_ON(ret == -ENOSPC); + return ret < 0 ? ret : 0; } static inline void remove_handle(struct iwch_dev *rhp, struct idr *idr, u32 id) |